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Finding the Fourth Proportional to 9,850,978.40, 14,776,467.60 and 8,894,384.60

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Solution

The fourth proportional to 9,850,978.40, 14,776,467.60 and 8,894,384.60 is: 13,341,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850,978.40 : 14,776,467.60 = 8,894,384.60 : x
  2. Step 2: Convert to fraction form
    9,850,978.40/14,776,467.60 = 8,894,384.60/x
  3. Step 3: Cross multiply
    9,850,978.40x = 14,776,467.60 × 8,894,384.60
  4. Step 4: Simplify right side
    9,850,978.40x = 131,427,585,863,838.95
  5. Step 5: Solve for x
    x = 131,427,585,863,838.95/9,850,978.40
  6. Step 6: Final answer
    x = 13,341,576.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.